{"product_id":"global-parts-1811904-ignition-knock-detonation-sensor","title":"Global Parts 1811904 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eOverview of Global Parts Ignition Knock Sensor 1811904\u003c\/h2\u003e\u003cp\u003eThe Global Parts Ignition Knock (Detonation) Sensor 1811904 is designed for precise detection of engine knock in select BMW models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWiring harness length: 7.75 inches for flexible installation\u003c\/li\u003e\n\u003cli\u003ePin-type terminal with 4 terminals for reliable connectivity\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eSingle round male connector for secure fitment\u003c\/li\u003e\n\u003cli\u003eWiring harness included to ensure compatibility and ease of installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Global Parts 1811904 ignition knock sensor is engineered to detect engine detonation in BMW vehicles such as the 323is, 328i, 328is, 528i, M3, and Z3 models. Featuring a 7.75-inch wiring harness, this sensor provides sufficient length for convenient routing within the engine bay. The sensor’s pin-type terminal with four terminals ensures stable electrical connections, while the included mounting hardware simplifies the installation process. The single round male connector is designed to match factory specifications, ensuring a secure and precise fit. The wiring harness is included, eliminating the need for additional parts and reducing installation time.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 323is ignition knock sensor replacement\u003c\/li\u003e\n\u003cli\u003eSuitable for BMW 328i and 328is engine detonation monitoring\u003c\/li\u003e\n\u003cli\u003eFits BMW 528i models requiring ignition knock sensor repair\u003c\/li\u003e\n\u003cli\u003eDesigned for BMW M3 and Z3 models to maintain engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine knocking or pinging during acceleration\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency due to improper ignition timing\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by detonation sensor faults\u003c\/li\u003e\n\u003cli\u003eEngine misfires related to knock sensor failure\u003c\/li\u003e\n\u003cli\u003eUnstable engine performance under load conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Global Parts 1811904 ignition knock sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Use the included mounting hardware to secure the sensor firmly to the engine block. Verify the connector is fully seated and locked to avoid intermittent electrical issues. It is recommended to clear any diagnostic trouble codes after installation and perform a test drive to confirm proper sensor operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGlobal Parts provides this ignition knock sensor with quality standards that meet OEM specifications for BMW vehicles. The part number 1811904 undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details may vary, Global Parts typically offers coverage against manufacturing defects to support reliable long-term use.\u003c\/p\u003e","brand":"Global Parts","offers":[{"title":"Default Title","offer_id":43818261872821,"sku":"BKNH-1811904","price":61.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/GP_1811904_Fro.jpg?v=1774999558","url":"https:\/\/www.partcatalog.com\/products\/global-parts-1811904-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}